[PATCH][AArch64] Replace insn to zero up DF register

Wilco Dijkstra Wilco.Dijkstra@arm.com
Mon Feb 29 18:07:00 GMT 2016


Evandro Menezes <e.menezes@samsung.com> wrote:
> 
> Please, verify the new "simd" and "fp" attributes for SF and DF.

Both movsf and movdf should be:

(set_attr "simd" "*,yes,*,*,*,*,*,*,*,*")
(set_attr "fp"   "*,*,*,yes,yes,yes,yes,*,*,*")

Did you check that with -mcpu=generic+nosimd you get fmov s0, wzr?
In my version I kept the Y on the fmov and placed the neon_mov first.

Wilco



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